User guide

67
Settings and Adjustments
DT288
Change PIN code
The default PIN code is 0000. The code can be changed from
time to time. To change:
Select
Handset and press
Select
PhoneLock and press
Select
ChangePIN and press
EnterOldPIN is displayed.
Enter the old PIN code and press
EnterNewPIN is displayed.
Enter the new PIN code (4 digits) and press
Enter the new PIN code again and press
New PIN accepted is displayed for two seconds.
The PIN code is changed.
Unlock a blocked telephone
Your phone will be blocked if an incorrect PIN code is entered
three times (the display shows
PINBlocked Unblock?).
To unlock a blocked telephone, the IPEI code and a new PIN
code must be entered:
Press
Backdoor: is displayed.
Enter the IPEI code and press
EnterNewPIN is displayed.
Enter a new PIN code (4 digits) and press
Enter the new PIN code again and press
New PIN accepted is displayed for two seconds.
The PIN code is changed.